Activated b cells divide to form plasma cells and memory b cells, both of which are short-lived and secrete copious amounts of antibody molecules into the bloodstream.

a. True

b. False

If the concentration of water in a cell is higher than the concentration of water in the cells surroundings solution, predict what will happen after a short while

The lowest surface temperature yet measured on any body in the solar system (-200 degrees C) occurs on

How are osmosis and delusion alike?

What happens to the heme group when hemoglobin is broken down?

The process of copying genetic information from dna to rna is called

What the surface temperature of the stars classify as white dwarfs be classified higheror lower than that of the stars classified as supergiants

Living animal cells, each with a salt concentration of 1%, are placed in a solution of 30% salt. Which of the following will occur? A.

The duck-billed platypus has 52 chromosomes in its body cells. When the platypus's body cells divide by mitosis, how many chromosomes will each daughter cell have?

What is a prokaryotes in biolog

Which of the following does not represent conditions believed by scientists to have been present on early Earth? A. An atmosphere thick with water vapor B. energy in the form of ultraviolet radiation C. extremely cold temperatures D.